File size: 485 Bytes
f2ee0c1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | {
"correct_letter": "C",
"correct_formula": "ΣM_ext = 0",
"annotation": "Environment: g=9.81, F_drag=!=0",
"choices": [
"W = ΔE_k = (1/2)·m·v_t² - (1/2)·m·v_0²",
"n_1·sinθ_1 = n_2·sinθ_2",
"ΣM_ext = 0",
"F_balance = (m_1 - m_2)·g / (cosα + sinβ)"
],
"correct_index": 2,
"physics_type": "AtRest",
"seed": "AtRest|NewtonsFirstLaw/AtRest/4",
"is_realworld": true,
"dropped_wrong_formulas": [
"F_drag = (1/2)·C_d·ρ·A·v²"
]
}
|